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Lintel Jan 1 - 7 25 questions
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Monday 19 May 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 602 + 836

    Answer: 602 + 836 = 1438
  2. 2. Algebra

    Solve: 2x = 28

    Answer: x = 14
  3. 3. Geometry

    A right triangle has hypotenuse 17cm and one side 8cm. Find its area

    Answer: 60cm²
  4. 4. Ratio

    Calculate 17.7% of 767

    Answer: 135.76
  5. 5. Statistics

    A spinner has 4 red, 4 blue and 3 green sections. Probability of landing on red?

    Answer: 411

Tuesday 20 May 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 13 + 46 + 45

    Answer: 95
  2. 2. Algebra

    What is the next term? 2, 8, 32, 128, ...

    Answer: 512
  3. 3. Geometry

    Opposite = 13cm, adjacent = 17cm. Calculate the angle

    Answer: 37.4°
  4. 4. Ratio

    Calculate 47.8% of 745

    Answer: 356.11
  5. 5. Statistics

    Calculate the mean of: 15, 21, 20, 39, 50, 14, 28

    Answer: 26.7

Wednesday 21 May 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    99000

    Answer: 9.9 × 104
  2. 2. Algebra

    Factorise fully: 12x² + 9x

    Answer: 3x(4x + 3)
  3. 3. Geometry

    Adjacent = 29cm, hypotenuse = 35cm. Find the angle

    Answer: 34°
  4. 4. Ratio

    Calculate 14.4% of 427

    Answer: 61.49
  5. 5. Statistics

    A spinner has 4 red, 2 blue and 3 green sections. Probability of landing on red?

    Answer: 49

Thursday 22 May 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 99. What are the numbers?

    Answer: 32, 33, and 34
  2. 2. Algebra

    Solve: x3 = 8.6666666666667

    Answer: x = 26
  3. 3. Geometry

    Opposite = 14cm, adjacent = 11cm. Calculate the angle

    Answer: 51.8°
  4. 4. Ratio

    Calculate 24.9% of 984

    Answer: 245.02
  5. 5. Statistics

    A spinner has 5 red, 6 blue and 6 green sections. Probability of landing on red?

    Answer: 517

Friday 23 May 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 133, 288, and 131

    Answer: 552
  2. 2. Algebra

    Solve: 7x = 105

    Answer: x = 15
  3. 3. Geometry

    Adjacent = 15cm, hypotenuse = 34cm. Find the angle

    Answer: 63.8°
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 42, 28, 18, 14, 46, 47, 36

    Answer: 33